| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1960 | 564 |
2.1%
|
|
| 1961 | 578 |
2.1%
|
|
| 1962 | 621 |
2.3%
|
|
| 1963 | 650 |
2.4%
|
|
| 1964 | 681 |
2.5%
|
|
| 1965 | 674 |
2.5%
|
|
| 1966 | 676 |
2.5%
|
|
| 1967 | 690 |
2.5%
|
|
| 1968 | 588 |
2.2%
|
|
| 1969 | 667 |
2.5%
|
|
| 1970 | 704 |
2.6%
|
|
| 1971 | 681 |
2.5%
|
|
| 1972 | 767 |
2.8%
|
|
| 1973 | 735 |
2.7%
|
|
| 1974 | 724 |
2.7%
|
|
| 1975 | 723 |
2.7%
|
|
| 1976 | 703 |
2.6%
|
|
| 1977 | 795 |
2.9%
|
|
| 1978 | 781 |
2.9%
|
|
| 1979 | 690 |
2.5%
|
|
| 1980 | 767 |
2.8%
|
|
| 1981 | 814 |
3%
|
|
| 1982 | 878 |
3.2%
|
|
| 1983 | 803 |
3%
|
|
| 1984 | 734 |
2.7%
|
|
| 1985 | 748 |
2.8%
|
|
| 1986 | 736 |
2.7%
|
|
| 1987 | 687 |
2.5%
|
|
| 1988 | 694 |
2.6%
|
|
| 1989 | 583 |
2.1%
|
|
| 1990 | 544 |
2%
|
|
| 1991 | 528 |
1.9%
|
|
| 1992 | 492 |
1.8%
|
|
| 1993 | 481 |
1.8%
|
|
| 1994 | 464 |
1.7%
|
|
| 1995 | 472 |
1.7%
|
|
| 1996 | 514 |
1.9%
|
|
| 1997 | 471 |
1.7%
|
|
| 1998 | 472 |
1.7%
|
|
| 1999 | 505 |
1.9%
|
|
| 2000 | 533 |
2%
|
|
| 2001 | 569 |
2.1%
|